Identify whether contact or non-contact force is used while performing the
following action.
A. Fruit falling from a tree.
____________________________________________________________________
B. One side of a weighing pan is coming down.
____________________________________________________________________
C. Hitting a ball with a bat.
____________________________________________________________________
D. Separating the iron nails from the saw dust using a magnet.
Answers
Answered by
27
A. Non- Contact Force
B. Non- Contact Force
C. Contact Force
D. Contact Force
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Answered by
0
Answer:
A. Non-contact force
B. Contact force
C. Contact force
D. Non-contact force
Explanation:
What are contact and non-contact forces?
- Contact forces are the forces that occur when two objects come into contact with each other.
- For example, when an object with a heavy weight is placed on one side of a weighing pan, it comes down. This is because the object with weight comes in contact with the weighing pan and exerts force on the pan. As a result, it tilts down.
- Similarly, when a bat hits the ball, the ball is thrown up since the bat exerted force on the ball. Here, the two objects, that is, the bat and the ball, came into contact with each other.
- Muscular force, frictional force, tension force, normal force, etc are examples of contact force.
- A non-contact force is a force that is applied to another object without direct contact with it.
- There is no physical contact between the two objects when a non-contact force comes into action.
- For example, an apple falling from the tree or raindrops falling on the earth.
- There are different types of non-contact forces, such as gravitational force, electrostatic force, and magnetic force.
- In all these cases, there is no physical contact between the two objects.
What are contact and non-contact force?
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Examples of contact and non-contact force
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